<template>
  <div>
    <el-dialog title="提示" :visible.sync="dialogVisible" width="30%">
      <!-- <span>这是一段信息</span> -->
      <el-row type="flex" justify="center">
        <div class="upload-excel">
          <!-- 上传文件的input框，但是不能让用户看见 -->
          <input
            ref="inputName"
            class="excel-upload-input"
            type="file"
            accept=".xlsx, .xls"
            @change="selectedFile"
          />
          <div class="drop">
            <i class="el-icon-upload" />
            <el-button type="text">下载导入模板</el-button>
            <span>
              将文件拖到此处或
              <el-button type="text" @click="selectFile">点击上传</el-button>
            </span>
          </div>
        </div>
      </el-row>
      <!-- <el-row type="flex" justify="end">
      update:props属性名，值 直接修改 .sync修饰符的属性值-->
      <!-- <el-button size="mini" type="primary" @click="$emit('update:showExcelDialog', false)">取消</el-button> -->
      <!-- </el-row> -->
      <span slot="footer" class="dialog-footer">
        <el-button @click="dialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="sumbit">确 定</el-button>
      </span>
    </el-dialog>
  </div>
</template>

<script>
import { putEmployeeExcel } from '@/api/employee'
export default {
  name: 'ImportExcel',
  components: {},
  props: {},
  data() {
    return {
      dialogVisible: false,
      formData: null
    }
  },
  computed: {},
  watch: {},
  created() {},
  mounted() {},
  methods: {
    open() {
      this.dialogVisible = true
    },
    selectFile() {
      this.$refs.inputName.click()
    },
    selectedFile(e) {
      console.log(e)
      const file = e.target.files[0]
      // const formData = new FormData()
      // formData.append('file', file)
      // 把formData发送给服务器
      this.formData = new FormData()
      this.formData.append('file', file)
    },
    async sumbit() {
      // 把formData发送给服务器
      await putEmployeeExcel(this.formData)
      // 提示弹窗
      this.$message.success('上传成功!')
      // 关闭弹窗
      this.dialogVisible = false
      // 通过$emit触发父组件的方法实现更新表格数据
      this.$emit('refresh')
    }
  }
}
</script>

<style lang="scss" scoped>
.upload-excel {
  display: flex;
  justify-content: center;
  margin: 20px;
  width: 360px;
  height: 180px;
  align-items: center;
  color: #697086;
  .excel-upload-input {
    display: none;
    z-index: -9999;
  }
  .btn-upload,
  .drop {
    border: 1px dashed #dcdfe6;
    width: 100%;
    height: 100%;
    text-align: center;
    line-height: 160px;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }
  .drop {
    line-height: 40px;
    color: #bbb;
    i {
      font-size: 60px;
      display: block;
      color: #c0c4cc;
    }
  }
}
</style>
